The art which turns the stock market into galaxies

Two artists have helped to create a project which turns real-time stock market data into a planetarium experience.

Every star is a company, every flash is a trade in that company's stock.

Black Shoals; Dark Matter is part of a bigger exhibition in London about how the growth in data is changing our world.

BBC Click's Spencer Kelly spoke to Joshua Portway and Lise Autogena to find out more.

More at BBC.com/Click and @BBCClick.